Organize backend into product executable and shared Go modules

backend/shared/model/describable.go

@@ -0,0 +1,11 @@
+package model
+
+type Describable struct {
+	Name        string  `bson:"name" json:"name"`                                   // Name
+	Description *string `bson:"description,omitempty" json:"description,omitempty"` // Optional description
+}
+
+const (
+	NameField        = "name"
+	DescriptionField = "description"
+)